What’s Vulnerable › Vulnerabilities

CVE-2024-30156

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-03-24 · updated 2026-06-17
• Weakness: CWE-770

Description

Varnish Cache before 7.3.2 and 7.4.x before 7.4.3 (and before 6.0.13 LTS), and Varnish Enterprise 6 before 6.0.12r6, allows credits exhaustion for an HTTP/2 connection control flow window, aka a Broke Window Attack.

References

• https://varnish-cache.org/docs/7.5/whats-new/changes-7.5.html#security
• https://varnish-cache.org/security/VSV00014.html
• https://varnish-cache.org/docs/7.5/whats-new/changes-7.5.html#security
• https://varnish-cache.org/security/VSV00014.html

Get alerted when CVE-2024-30156 or the next vulnerability affects your stack